Horner, C. E., & Booth, E. S. (1953). Spring flowers of southeastern Washington and northeastern Oregon. Walla Walla College, Dept. of Biological Sciences.
Chicago-Zitierstil (17. Ausg.)Horner, Chester E., und Ernest S. Booth. Spring Flowers of Southeastern Washington and Northeastern Oregon. College Place, Wash.: Walla Walla College, Dept. of Biological Sciences, 1953.
MLA-Zitierstil (8. Ausg.)Horner, Chester E., und Ernest S. Booth. Spring Flowers of Southeastern Washington and Northeastern Oregon. Walla Walla College, Dept. of Biological Sciences, 1953.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.